Stock-based Compensation (Tables)

12 Months Ended

Dec. 31, 2019

Information about our equity compensation plans as of December 31, 2019 are as follows:

	Number of Common Shares to be Issued Upon Exercise of Outstanding Options, Warrants and Rights		Weighted Average Exercise Price of Outstanding Options, Warrants and Rights		Number of Common Shares Remaining Available for Future Issuance Under Equity Compensation Plans
Equity compensation plans approved by our shareholders
2014 Long-Term Incentive Plan		659,298		—		472,024
2014 Nonemployee Director Stock Incentive Plan		10,885		—		644,509
Equity compensation plans not approved by our shareholders		—		—		—
Total		670,183				1,116,533

Schedule of Nonvested Restricted Stock Units Activity

Non-vested restricted share awards outstanding under both the Plan and the Director Plan as of December 31, 2019 and changes during the year were as follows:

	Number of Shares			Weighted Average Grant Date Fair Value per Share
Non-vested at December 31, 2018		541,558		$	103.68
Granted		389,132		$	58.74
Vested		(220,417	)	$	110.59
Forfeited		(39,576	)	$	85.24
Non-vested at December 31, 2019		670,697		$	75.93

Schedule of Employee Service Share-based Compensation, Allocation of Recognized Period Costs

For the years ended December 31, 2019, 2018 and 2017, stock-based compensation expense under both the Plan and the Director Plan recognized in the income statement is as follows (in thousands):

	2019		2018		2017
Cost of product sales and services	$	7,288	$	8,648	$	8,879
General and administrative		13,591		25,546		14,063
Total stock-based compensation expense	$	20,879	$	34,194	$	22,942